The 30-share Sensex climbed 138.11 points, or 0.41 per cent, to scale a new high of 33,295.33, breaching its previous intra-day record of 33,286.51 hit on October 27.All the sectoral indices led by PSU and infrastructure were trading in positive territory, with gains of up to 0.98 per cent.

The 50-share NSE Nifty too rose 46.10 points, or 0.44 per cent, to scale a fresh lifetime high of 10,369.15, breaking its previous intra-day record of 10,366.15 touched on Friday.

Stock of Maruti Suzuki India, the country's largest carmaker, was trading up by 1.44 per cent as its second quarter net profit edged up.Others that lifted the key indices to record highs are ONGC, Reliance Industries, Bharti Airtel, Tata Steel and SBI, rising by up to 2.51 per cent.

Other Asian markets saw a firming trend as investors tracked a record closing on Wall Street on Friday.